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Simplifying (x + -1)(x + 3) = 5 Reorder the terms: (-1 + x)(x + 3) = 5 Reorder the terms: (-1 + x)(3 + x) = 5 Multiply (-1 + x) * (3 + x) (-1(3 + x) + x(3 + x)) = 5 ((3 * -1 + x * -1) + x(3 + x)) = 5 ((-3 + -1x) + x(3 + x)) = 5 (-3 + -1x + (3 * x + x * x)) = 5 (-3 + -1x + (3x + x2)) = 5 Combine like terms: -1x + 3x = 2x (-3 + 2x + x2) = 5 Solving -3 + 2x + x2 = 5 Solving for variable 'x'. Reorder the terms: -3 + -5 + 2x + x2 = 5 + -5 Combine like terms: -3 + -5 = -8 -8 + 2x + x2 = 5 + -5 Combine like terms: 5 + -5 = 0 -8 + 2x + x2 = 0 Factor a trinomial. (-4 + -1x)(2 + -1x) = 0Subproblem 1
Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2Solution
x = {-4, 2}
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